TCL, one of the big electronics retailers in China, has released a 30-second trailer for Shane Black’s Iron Man 3 that contains some footage that wasn’t included in previous trailers (see "First 'Iron Man 3' Trailer," and "Second 'Iron Man 3' Trailer").
 
Iron Man 3, which stars Robert Downey, Jr., Gwyneth Paltrow, Don Cheadle, Ben Kingsley, Rebecca Hall, Guy Pearce, Stephanie Szostak, and Jon Favreau opens nationwide on May 3rd.